●Specifications: Distortion: 3% Maximum (1KHz/1mW) Impedance: 16ohm±20% at 1KHz Buzze & Rattle: 50~3KHz (0.22V) Maximum Input Power: 5mW Frequency: 20~20,000Hz Power Rating: 3mW Cord Length: 120cm Plug: 3.5mm jack Weight: 17±2g ●1 Button Control and Intelligent Feature: Single Click:Answer Call Single Cilick:End Call Single Click:Play Single Click:Pause Double Click:Next Track Triple Click:Previous Track ●Noise Isolating Designed to not only provide high quality sound, but also fits snugly into your ears. Creating a better sound isolation and minimizes external sound interference. ●Durability Utilizing TPE flat line design to avoid dealing with annoying tangled wires. Super strength tensile wiring can support up to 6 lbs. of pulling force. Soft silicone material used at connection points to ensure bending and flexing over 10,000 and 20,000 times respectably and designed for repeated use. ●Perfectly Compatibility: 16ohm resistance makes it easy to power from all portable audio sources, achieving full and powerful sound. 3.5mm plug, compatible with a variety of playback devices: - iPhone 6, 6 Plus, 6S, 6S Plus, 5S / 5C / 5 / 4S / 4 / 3GS / 3G - iPhone 7, 7 plus,8, iPhone X with lightning to 3.5mm adapter - iPad 4th, 3rd, 2nd, 1st, iPad Min - Samsung Galaxy S6, S5, S4, S3, S2, Note 5, Note 4, Note 3, Note 2, Tab Series - iPod Touch 4th, 5th, Nano7, iPod shuffle - HTC One M7, M8, Desire X, Series SV - ALL iPad Devices / Samsung Tablets and Other Tablets - Oneplus One, Oneplus 2 / Xiaomi / HTC / Huawei /Lenovo / LG / Nokia / Blackberry / Motorola / Smartphones - MP3 / MP4 Players, Portable PowerBank, e-Book Readers, Bluetooth Speaker,and More ●Package Contains: 2 Pack Universal 3.5mm Headphones. 1 Piece EVA bag.